71642926080 has 1056 divisors, whose sum is σ = 293376695040. Its totient is φ = 15978332160.

The previous prime is 71642926079. The next prime is 71642926093. The reversal of 71642926080 is 8062924617.

It is a happy number.

71642926080 is a `hidden beast` number, since 7 + 16 + 4 + 29 + 2 + 608 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 414120874 + ... + 414121046.

It is an arithmetic number, because the mean of its divisors is an integer number (277818840).

Almost surely, 2^71642926080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71642926080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146688347520).

71642926080 is an abundant number, since it is smaller than the sum of its proper divisors (221733768960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71642926080 is a wasteful number, since it uses less digits than its factorization.

71642926080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 71642926080 in words is "seventy-one billion, six hundred forty-two million, nine hundred twenty-six thousand, eighty".